Update README.md

We created a logo to help the clarify the difference between js-ipfs and js-ipfs-api. Would you like to add to your client library as well? You can see how it looks here: https://github.com/ipfs/js-ipfs-api

This design is from @akrych 🌟

Author: daviddias

README.md

@@ -5,6 +5,8 @@
 [![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
 [![standard-readme compliant](https://img.shields.io/badge/standard--readme-OK-green.svg?style=flat-square)](https://github.com/RichardLitt/standard-readme)
 
+![](https://ipfs.io/ipfs/QmQJ68PFMDdAsgCZvA1UVzzn18asVcf7HVvCDgpjiSCAse)
+
 > A Java implementation of the IPFS http api
 
 ## Table of Contents